7320520

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{929}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 16572600

約数和(自身を除く): 9252080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 929, 985, 1576, 1858, 1970, 3716, 3940, 4645, 7432, 7880, 9290, 18580, 37160, 183013, 366026, 732052, 915065, 1464104, 1830130, 3660260, 7320520]

約数ペア:

[(1, 7320520), (2, 3660260), (4, 1830130), (5, 1464104), (8, 915065), (10, 732052), (20, 366026), (40, 183013), (197, 37160), (394, 18580), (788, 9290), (929, 7880), (985, 7432), (1576, 4645), (1858, 3940), (1970, 3716)]